Arkham x402 · Balances Address

import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://api.arkm.com/x402/balances/address", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "address": "0x28C6c06298d514Db089934071355E5743bf21d60"
  }),
});
const data = await res.json();

curl -X POST \
  "https://api.arkm.com/x402/balances/address" \
  -H "Content-Type: application/json" \
  -d '{"address":"0x28C6c06298d514Db089934071355E5743bf21d60"}' \
  -H "X-PAYMENT: <signed x402 payment>"

{
  "addresses": {
    "bsc": {
      "0x28C6c06298d514Db089934071355E5743bf21d60": {
        "address": "0x28C6c06298d514Db089934071355E5743bf21d60",
        "arkhamEntity": {
          "crunchbase": "https://www.crunchbase.com/organization/binance",
          "id": "binance",
          "linkedin": "https://www.linkedin.com/company/binance",
          "name": "Binance",
          "note": "",
          "service": null,
          "twitter": "https://twitter.com/binance",
          "type": "cex",
          "website": "https://binance.com"
        },
        "arkhamLabel": {
          "address": "0x28C6c06298d514Db089934071355E5743bf21d60",
          "chainType": "evm",
          "name": "Hot Wallet"
        },
        "chain": "bsc",
        "contract": false,
        "isUserAddress": false
      }
    },
    "ethereum": {
      "0x28C6c06298d514Db089934071355E5743bf21d60": {
        "address": "0x28C6c06298d514Db089934071355E5743bf21d60",
        "arkhamEntity": {
          "crunchbase": "https://www.crunchbase.com/organization/binance",
          "id": "binance",
          "linkedin": "https://www.linkedin.com/company/binance",
          "name": "Binance",
          "note": "",
          "service": null,
          "twitter": "https://twitter.com/binance",
          "type": "cex",
          "website": "https://binance.com"
        },
        "arkhamLabel": {
          "address": "0x28C6c06298d514Db089934071355E5743bf21d60",
          "chainType": "evm",
          "name": "Hot Wallet"
        },
        "chain": "ethereum",
        "contract": false,
        "isUserAddress": false
      }
    }
  },
  "balances": {
    "bsc": [
      {
        "balance": 3734.28585101,
        "balanceExact": "3734285851010000000000",
        "ethereumAddress": "0x55d398326f99059fF775485246999027B3197955",
        "id": "binance-bridged-usdt-bnb-smart-chain",
        "name": "Tether USD",
        "price": 1,
        "priceChange24h": 0,
        "priceChange24hPercent": 0,
        "quoteTime": "2026-07-06T08:56:06.003Z",
        "symbol": "USDT",
        "usd": 3734.28585101
      }
    ],
    "ethereum": [
      {
        "balance": 933180509.069545,
        "balanceExact": "933180509069545",
        "ethereumAddress": "0xdAC17F958D2ee523a2206206994597C13D831ec7",
        "id": "tether",
        "name": "Tether USD",
        "price": 1,
        "priceChange24h": 0,
        "priceChange24hPercent": 0,
        "quoteTime": "2026-07-06T08:56:21.074Z",
        "symbol": "USDT",
        "usd": 933180509.069545
      },
      {
        "balance": 264229.89222968067,
        "balanceExact": "264229892229680683921876",
        "id": "ethereum",
        "name": "Ethereum",
        "price": 1764.02,
        "priceChange24h": -2.2200000000000273,
        "priceChange24hPercent": -0.12569073285623852,
        "quoteTime": "2026-07-06T08:56:12.855Z",
        "symbol": "ETH",
        "usd": 466106814.4910013
      }
    ]
  },
  "totalBalance": {
    "bsc": 4958.963746508313,
    "ethereum": 1851859770.8709288
  },
  "totalBalance24hAgo": {
    "bsc": 4962.53510092634,
    "ethereum": 1855389918.2681248
  }
}